J1670 HCPCS code: Injection, tetanus immune globulin, human, up to 250 units
J1670 is the HCPCS Level II code for injection, tetanus immune globulin, human, up to 250 units. In 2024 Medicare paid an average of $94.70 per service for J1670 across 317 services. Its Medicare coverage code is D (Special coverage instructions apply): Medicare covers it when its national or local coverage criteria are met. The NCCI unit limit is 2 per day on outpatient hospital claims. Medicare volume fell 34% from 2022 to 2024 (480 to 317 services). In 2024, about 85 clinicians billed Medicare for J1670 for 314 beneficiaries; Georgia, North Carolina, California accounted for 69% of services.
Code details
| Field | Value |
|---|---|
| Section | J codes — Drugs administered other than oral method |
| Coverage code | D — Special coverage instructions apply |
| Pricing indicator | 51 — Drug or biological (priced per ASP/average sales price rules) |
| BETOS category | O1E — Other drugs |
| Added | 1986-01-01 |
| Last action effective | 1997-01-01 |
Who bills J1670 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 85 |
| Medicare beneficiaries | 314 |
| States with claims | 7 |
| Share of services in top 3 states (Georgia, North Carolina, California) | 69% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for J1670, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 480 | 479 | $174.61 | $134.07 |
| 2023 | 369 | 369 | $168.60 | $128.25 |
| 2024 | 317 | 314 | $125.55 | $94.70 |
States with the most J1670 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Georgia | 64 | $28.93 |
| North Carolina | 57 | $64.54 |
| California | 53 | $162.92 |
| Alabama | 30 | $35.76 |
| Florida | 26 | $185.85 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 2 | Clinical: Data |
| practitioner claims | 1 | Clinical: Data |
Medicare policy articles for this code
- A52438: Billing and Coding: Tetanus Immunization (CGS Administrators, LLC (MAC - Part A, MAC - Part B))
- A57554: Billing and Coding: Immune Globulins (WPS Insurance Corporation (MAC - Part A, MAC - Part B))
Covered diagnoses (2,025 ICD-10-CM codes)
The diagnoses most often listed as covered in the policy articles above:
| ICD-10-CM | Diagnosis | Articles listing it |
|---|---|---|
| S01.01XA | Laceration without foreign body of scalp, initial encounter | 2 |
| S01.02XA | Laceration with foreign body of scalp, initial encounter | 2 |
| S01.03XA | Puncture wound without foreign body of scalp, initial encounter | 2 |
| S01.04XA | Puncture wound with foreign body of scalp, initial encounter | 2 |
| S01.101A | Unspecified open wound of right eyelid and periocular area, initial encounter | 2 |
| S01.102A | Unspecified open wound of left eyelid and periocular area, initial encounter | 2 |
| S01.111A | Laceration without foreign body of right eyelid and periocular area, initial encounter | 2 |
| S01.112A | Laceration without foreign body of left eyelid and periocular area, initial encounter | 2 |
| S01.121A | Laceration with foreign body of right eyelid and periocular area, initial encounter | 2 |
| S01.122A | Laceration with foreign body of left eyelid and periocular area, initial encounter | 2 |
Showing 10 of 2,025. The full list, non-covered diagnoses and CSV export are in Caduvo.
What changed for J1670
- 1986-01-01: J1670 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code J1670?
J1670 is the HCPCS Level II code for injection, tetanus immune globulin, human, up to 250 units. Short descriptor: "Tetanus immune globulin inj".
How much does Medicare pay for J1670?
In 2024, the average Medicare payment was $94.70 per service (average allowed $125.55).
Does Medicare cover J1670?
Coverage code D — Special coverage instructions apply. Medicare covers it when its national or local coverage criteria are met.
Which diagnoses support coverage for J1670?
Medicare policy articles that cite J1670 list 2,025 covered ICD-10-CM diagnosis codes across 2 articles. The most cited include S01.01XA (Laceration without foreign body of scalp, initial encounter), S01.02XA (Laceration with foreign body of scalp, initial encounter), S01.03XA (Puncture wound without foreign body of scalp, initial encounter). A listed diagnosis is necessary but not sufficient; the policy's other criteria still apply.
How many units of J1670 can be billed per day?
2 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).
Related J16 codes
- J1600 — Injection, gold sodium thiomalate, up to 50 mg
- J1602 — Injection, golimumab, 1 mg, for intravenous use
- J1610 — Injection, glucagon hydrochloride, per 1 mg
- J1611 — Injection, glucagon hydrochloride (fresenius kabi), not therapeutically equivalent to j1610, per 1 mg
- J1612 — Injection, glucagon (gvoke), 0.01 mg
- J1620 — Injection, gonadorelin hydrochloride, per 100 mcg
- J1626 — Injection, granisetron hydrochloride, 100 mcg
- J1627 — Injection, granisetron, extended-release, 0.1 mg
- J1628 — Injection, guselkumab, 1 mg
- J1630 — Injection, haloperidol, up to 5 mg
- J1631 — Injection, haloperidol decanoate, per 50 mg
- J1632 — Injection, brexanolone, 1 mg
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Next steps
- Run a reimbursement report for a device billed under J1670
- Watch J1670 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J1670
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.